爪(Claw),又称爪子或钩爪,是羊膜动物(哺乳类、鸟类及爬虫类)于手指及脚趾末端的表皮角质层附加物。
![]() | 此条目可参照外语维基百科相应条目来扩充。 (2020年2月1日) |
参考资料
- Maddin & al. (2009): The anatomy and development of the claws ofXenopus laevis (Lissamphibia: Anura) reveal alternate pathways of structural evolution in the integument of tetrapods. Journal of Anatomy, no 214 (4): pp 607-19 Abstract (页面存档备份,存于互联网档案馆)
![]() | 这是一篇与动物相关的小作品。您可以通过编辑或修订扩充其内容。 |
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